/* ===================================
   DevOps Platform - Interaction Patterns & Animations
   ================================== */

@import url('./design-system.css');

/* ===================================
   MICRO-INTERACTIONS
   ================================== */

/* Button Interactions */
.btn-interactive {
  position: relative;
  overflow: hidden;
  transform: translateZ(0); /* Create stacking context */
  transition: all var(--duration-200) var(--ease-out);
}

.btn-interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-interactive:active {
  transform: translateY(0);
  transition-duration: var(--duration-75);
}

/* Ripple effect for buttons */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--duration-300) var(--ease-out),
              height var(--duration-300) var(--ease-out);
}

.btn-ripple:active::before {
  width: 300px;
  height: 300px;
}

/* Card Hover Effects */
.card-hover {
  transition: all var(--duration-300) var(--ease-out);
  cursor: pointer;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.card-hover:hover .card-icon {
  transform: scale(1.1) rotate(-5deg);
  color: var(--brand-blue-light);
}

/* Service Card Specific Interactions */
.service-card-enhanced {
  position: relative;
  transition: all var(--duration-300) var(--ease-out);
}

.service-card-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-light));
  opacity: 0;
  transition: opacity var(--duration-300) var(--ease-out);
  border-radius: inherit;
  z-index: -1;
}

.service-card-enhanced:hover::before {
  opacity: 0.05;
}

.service-card-enhanced:hover {
  border-color: var(--brand-blue);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(19, 103, 202, 0.15);
}

/* ===================================
   LOADING STATES
   ================================== */

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, 
    var(--gray-200) 25%, 
    var(--gray-100) 50%, 
    var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  width: 100%;
}

/* Button Loading State */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: button-spin 1s linear infinite;
}

.btn-loading.btn-primary::after {
  border-top-color: white;
}

.btn-loading.btn-outline::after {
  border-top-color: var(--brand-blue);
}

@keyframes button-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Form Loading States */
.form-loading {
  position: relative;
}

.form-loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  border-radius: inherit;
  z-index: 1;
}

.form-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--brand-blue);
  border-radius: 50%;
  animation: form-spin 1s linear infinite;
  z-index: 2;
}

@keyframes form-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===================================
   PAGE TRANSITIONS
   ================================== */

/* Fade in animations */
.fade-in {
  opacity: 0;
  animation: fadeIn var(--duration-700) var(--ease-out) forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }
.fade-in-delay-4 { animation-delay: 0.4s; }
.fade-in-delay-5 { animation-delay: 0.5s; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Slide up animations */
.slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp var(--duration-700) var(--ease-out) forwards;
}

.slide-up-delay-1 { animation-delay: 0.1s; }
.slide-up-delay-2 { animation-delay: 0.2s; }
.slide-up-delay-3 { animation-delay: 0.3s; }
.slide-up-delay-4 { animation-delay: 0.4s; }
.slide-up-delay-5 { animation-delay: 0.5s; }

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger animations for grids */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp var(--duration-500) var(--ease-out) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.45s; }

/* ===================================
   NAVIGATION INTERACTIONS
   ================================== */

/* Mobile menu animations */
.mobile-menu {
  transform: translateX(-100%);
  transition: transform var(--duration-300) var(--ease-out);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-300) var(--ease-out);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Navigation link hover effects */
.nav-link {
  position: relative;
  transition: color var(--duration-200) var(--ease-out);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-blue);
  transition: width var(--duration-200) var(--ease-out);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Scroll progress indicator */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-yellow));
  z-index: 100;
  transition: width var(--duration-100) linear;
}

/* ===================================
   MODAL & OVERLAY ANIMATIONS
   ================================== */

.modal-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-300) var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  transform: scale(0.9) translateY(20px);
  transition: transform var(--duration-300) var(--ease-out);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

/* Backdrop blur animation */
.backdrop-blur {
  backdrop-filter: blur(0px);
  transition: backdrop-filter var(--duration-300) var(--ease-out);
}

.backdrop-blur.active {
  backdrop-filter: blur(8px);
}

/* ===================================
   FORM INTERACTIONS
   ================================== */

/* Input focus animations */
.form-input-animated {
  position: relative;
  border: 2px solid var(--gray-300);
  transition: all var(--duration-200) var(--ease-out);
}

.form-input-animated:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(19, 103, 202, 0.1);
  transform: translateY(-1px);
}

/* Floating label animation */
.form-group-floating {
  position: relative;
}

.form-label-floating {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  pointer-events: none;
  transition: all var(--duration-200) var(--ease-out);
  background: white;
  padding: 0 4px;
}

.form-input-floating:focus + .form-label-floating,
.form-input-floating:not(:placeholder-shown) + .form-label-floating {
  top: 0;
  transform: translateY(-50%);
  font-size: var(--text-sm);
  color: var(--brand-blue);
}

/* Checkbox and radio animations */
.form-checkbox-animated {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  position: relative;
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-out);
}

.form-checkbox-animated:checked {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  transform: scale(1.05);
}

.form-checkbox-animated::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  color: white;
  font-weight: bold;
  font-size: 12px;
  transition: transform var(--duration-200) var(--ease-bounce);
}

.form-checkbox-animated:checked::after {
  transform: translate(-50%, -50%) scale(1);
}

/* ===================================
   SCROLL ANIMATIONS
   ================================== */

/* Scroll-triggered animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all var(--duration-700) var(--ease-out);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Parallax scrolling */
.parallax {
  transform: translateY(0);
  transition: transform var(--duration-100) linear;
}

/* Sticky header on scroll */
.header-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-200) var(--ease-out);
}

/* ===================================
   DATA VISUALIZATION ANIMATIONS
   ================================== */

/* Progress bars */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-blue-light));
  width: 0%;
  transition: width var(--duration-1000) var(--ease-out);
  border-radius: inherit;
}

/* Chart animations */
.chart-bar {
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--duration-700) var(--ease-out);
}

.chart-bar.animated {
  transform: scaleY(1);
}

.chart-line {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: draw-line 2s var(--ease-out) forwards;
}

@keyframes draw-line {
  to {
    stroke-dashoffset: 0;
  }
}

/* Counter animations */
.counter {
  font-variant-numeric: tabular-nums;
}

/* Number counting animation handled by JavaScript */

/* ===================================
   NOTIFICATION ANIMATIONS
   ================================== */

/* Toast notifications */
.toast {
  transform: translateX(100%);
  transition: transform var(--duration-300) var(--ease-out);
}

.toast.show {
  transform: translateX(0);
}

.toast.hide {
  transform: translateX(100%);
}

/* Alert animations */
.alert-animated {
  opacity: 0;
  transform: scale(0.95);
  animation: alertSlideIn var(--duration-300) var(--ease-out) forwards;
}

@keyframes alertSlideIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}


/* Page theme transition */
* {
  transition: background-color var(--duration-300) var(--ease-out),
              color var(--duration-300) var(--ease-out),
              border-color var(--duration-300) var(--ease-out),
              box-shadow var(--duration-300) var(--ease-out);
}

/* ===================================
   ACCESSIBILITY CONSIDERATIONS
   ================================== */

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .parallax {
    transform: none !important;
  }
  
  .scroll-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Focus management for keyboard users */
.focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 2px;
}

/* High contrast mode adjustments */
@media (prefers-contrast: high) {
  .btn-interactive:hover {
    transform: none;
    box-shadow: 0 0 0 3px currentColor;
  }
  
  .card-hover:hover {
    transform: none;
    box-shadow: 0 0 0 2px currentColor;
  }
}

/* ===================================
   PERFORMANCE OPTIMIZATIONS
   ================================== */

/* GPU acceleration for smooth animations */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform;
}

/* Optimize repaints */
.optimize-repaint {
  will-change: transform, opacity;
}

/* Remove will-change after animation */
.animation-complete {
  will-change: auto;
}

/* ===================================
   JAVASCRIPT INTEGRATION CLASSES
   ================================== */

/* Classes for JavaScript-triggered animations */
.js-fade-in { opacity: 0; }
.js-fade-in.active { opacity: 1; }

.js-slide-up { 
  opacity: 0; 
  transform: translateY(30px); 
}
.js-slide-up.active { 
  opacity: 1; 
  transform: translateY(0); 
}

.js-scale-in { 
  opacity: 0; 
  transform: scale(0.9); 
}
.js-scale-in.active { 
  opacity: 1; 
  transform: scale(1); 
}

/* State classes for interactive elements */
.is-loading { pointer-events: none; }
.is-disabled { opacity: 0.6; pointer-events: none; }
.is-hidden { display: none; }
.is-visible { display: block; }

/* ===================================
   RESPONSIVE ANIMATION ADJUSTMENTS
   ================================== */

/* Reduce animations on smaller screens for performance */
@media (max-width: 767px) {
  .card-hover:hover {
    transform: translateY(-4px); /* Less dramatic lift */
  }
  
  .service-card-enhanced:hover {
    transform: translateY(-2px); /* Minimal movement */
  }
  
  /* Disable complex animations on mobile */
  .mobile-disable {
    animation: none !important;
    transition: none !important;
  }
}